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Chin Kwan Chang

PC Pohang Iron & Steel Co.: 1 patents #55 of 233Top 25%
Overall (All Time): #3,627,145 of 4,157,543Top 90%
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Patent #TitleCo-InventorsDate
6117253 Cold rolled steel sheet for shadow mask made by low-temperature annealing and manufacturing method therefor Ki-Soo Kim, Hyun-Gyu Hwang, Eel-Young Kim, Oh Joon Kwon 2000-09-12